Mezzetta® Jalapeno Stuffed Olives. In the Napa Valley. Don't forgetta Mezzetta! Family owned & operated - Fine quality since 1935. At Mezzetta, we believe in sharing joy. We pour our hearts into what we do so we can share the best of the world in all its richness and color. Cholesterol free. Gluten free. Vegan. Please recycle. For delicious recipes and tips Visit www.mezzetta.com.